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174363 Donyork (2002 TW343)
Classification: Main-belt Asteroid          SPK-ID: 2174363
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09399369860967789 1.2146e-07  
a 2.744927398643289 5.01e-08 AU
q 2.486921520029764 3.5054e-07 AU
i 10.45833395789939 1.7192e-05 deg
node 60.47449088415696 8.1215e-05 deg
peri 204.4133837287078 0.00014199 deg
M 347.6128352400856 0.00012563 deg
tp 2457057.656303473269
(2015-Feb-04.15630347)
0.00058004 JED
period 1661.095952882056
4.55
4.5477e-05
1.245e-07
d
yr
n .2167243857137741 5.9335e-09 deg/d
Q 3.002933277256813 5.481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      6572 days (17.99 yr)  
   first obs. used      1996-05-10  
   last obs. used      2014-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64448  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 18:42:33  

Additional Information
 Earth MOID = 1.47706 AU 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3 mag n/a MPO310317  

174363 Donyork           Discovered 2002 Oct. 5 by the Sloan Digital Sky Survey at Apache Point.
Don York (b. 1944) is an American astronomer, one of the founders of the Sloan Digital Sky Survey and its founding director. He is known for his work on interstellar and intergalactic gas and dust.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2002 TW343 = 2005 JS135 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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